attempt to add slack notification for wercker
attempt to add slack notification for wercker

masteinhauser/devopsdays-web,masteinhauser/devopsdays-web,joelaha/devopsdays-web,benjohnson77/devopsdays-web,masteinhauser/devopsdays-web,benjohnson77/devopsdays-web,masteinhauser/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web,joelaha/devopsdays-web,joelaha/devopsdays-web,benjohnson77/devopsdays-web